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Gene entry

JAK3

Janus kinase 3

Chromosome
19
Cytoband
19p13.11
Variants (rsID)
9

JAK3 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 19 (region 19p13.11). Its official name is “Janus kinase 3”. The reference table lists 9 variants (rsID) for this gene.

Clinically classified variants

8 reference-table entries with clinical significance.

  • rs3212723Benignsingle nucleotide variantLymphoblastic leukemia, acute, with lymphomatous features|Acute megakaryoblastic leukemia|T-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs3213409Benignsingle nucleotide variantLymphoblastic leukemia, acute, with lymphomatous features|Acute megakaryoblastic leukemia|T-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs7254346Benignsingle nucleotide variantT-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs193922362Conflicting interpretationssingle nucleotide variantSevere combined immunodeficiency disease|T-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs35785705Conflicting interpretationssingle nucleotide variantT-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs137852624Pathogenicsingle nucleotide variantT-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs193922361Pathogenicsingle nucleotide variantSevere combined immunodeficiency disease|T-B+ severe combined immunodeficiency due to JAK3 deficiency
  • rs193922364PathogenicDeletionSevere combined immunodeficiency disease|T-B+ severe combined immunodeficiency due to JAK3 deficiency

Other listed variants

Public references

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.